ВУЗ:
Составители:
Рубрика:
source of light – источник света
to emit – испускать, излучать
to prevent – мешать, препятствовать
to spread out – распространяться, рассеиваться
welding – сварка
holography – голография
three dimensional – имеющий три измерения; трёхмерный
image – изображение, образ
conventional – обычный, традиционный, общепринятый
explosive – взрывчатое вещество
to operate on – оперировать
in terms of – в виде
advantage – преимущество
to generate – порождать, производить, генерировать
oscillation – качание, вибрация, колебание
generator – источник энергии, генератор
numerous – многочисленный
machining – механическая обработка
undreamed – невообразимый
gunnery – артиллерийское дело
to merit – заслуживать
in search – в поисках
12.3 Exercises
12.3.1 Give Russian equivalents to the following words without using a dictionary
Crystal luminescent
emission medicine
emit optical
history radiation
holography stimulate
laser
12.3.2 Read and translate the text
12.3.3 Answer the following questions
1. When was the first laser beam created? 2. Who was the discoverer? 3. What is the laser? 4. What beam of light
does the laser produce? 5. What were the early uses of the laser? 6. What are the laser's potentialities in science and
technology? 7. Who created the first in the world molecular generator (maser)? 8. What are the existing applications of
lasers?
12.3.4 Read these statements and find the right variant from those given below. Put down the corresponding
number. Check yourself according to the key
1) To be found in the text; 2) false; 3) not to be found in the text.
1. One of the rarely spoken about devices of our modern era has been laser and maser devices. 2. These devices are
used for amplifying energy. 3. Lasers and masers being mysterious and fantastic devices are of no practical importance. 4.
Dr.Townes was the originator of the maser. 5. The Twentieth Century Science is famous for having developed one of the
source of light – источник света to emit – испускать, излучать to prevent – мешать, препятствовать to spread out – распространяться, рассеиваться welding – сварка holography – голография three dimensional – имеющий три измерения; трёхмерный image – изображение, образ conventional – обычный, традиционный, общепринятый explosive – взрывчатое вещество to operate on – оперировать in terms of – в виде advantage – преимущество to generate – порождать, производить, генерировать oscillation – качание, вибрация, колебание generator – источник энергии, генератор numerous – многочисленный machining – механическая обработка undreamed – невообразимый gunnery – артиллерийское дело to merit – заслуживать in search – в поисках 12.3 Exercises 12.3.1 Give Russian equivalents to the following words without using a dictionary Crystal luminescent emission medicine emit optical history radiation holography stimulate laser 12.3.2 Read and translate the text 12.3.3 Answer the following questions 1. When was the first laser beam created? 2. Who was the discoverer? 3. What is the laser? 4. What beam of light does the laser produce? 5. What were the early uses of the laser? 6. What are the laser's potentialities in science and technology? 7. Who created the first in the world molecular generator (maser)? 8. What are the existing applications of lasers? 12.3.4 Read these statements and find the right variant from those given below. Put down the corresponding number. Check yourself according to the key 1) To be found in the text; 2) false; 3) not to be found in the text. 1. One of the rarely spoken about devices of our modern era has been laser and maser devices. 2. These devices are used for amplifying energy. 3. Lasers and masers being mysterious and fantastic devices are of no practical importance. 4. Dr.Townes was the originator of the maser. 5. The Twentieth Century Science is famous for having developed one of the